GENELUX Corp (GNLX) Insider Ownership

Historic Insider Ownership Trends

Genelux's top three insider shareholders as of April 17, 2026 are Aladar Szalay (TenPercentOwner, 599.82K shares), Thomas Zindrick (President And Ceo, 534.85K shares), John Thomas (Director, 482.78K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Aladar Szalay - 0 599,821 13 Sep, 2024
Thomas Zindrick President And Ceo 534,849 0 26 Mar, 2026
John Thomas - 482,784 0 03 Mar, 2026
Thomas Zindrick President And Ceo 0 200,000 07 Jun, 2024
Joseph Cappello Chief Technical Officer 155,154 0 26 Mar, 2026
Yong Yu Svp, Clinical Development 144,938 0 26 Mar, 2026
Qian Zhang Associate Vp, Research 139,333 0 02 May, 2023
Lourie S. Zak Chief Financial Officer 82,452 0 20 Dec, 2024
Mary Mirabelli - 73,284 0 29 Aug, 2025
James L Tyree - 68,074 0 29 Aug, 2025
Ralph Smalling Head Of Regulatory 68,073 0 26 Mar, 2026
Sean Ryder General Counsel 47,621 0 13 May, 2025
Caroline Jewett Head Of Quality 21,135 0 12 Sep, 2023
Gabe Woodward - 0 8,176 30 Jan, 2023
Aladar Szalay - 0 5,000 20 Sep, 2023
Gabe Woodward - 4,186 0 02 May, 2023
Doug Samuelson Chief Financial Officer 2,303 0 22 Aug, 2023
Qian Zhang Associate Vp, Research 0 200 31 Jan, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
24 Mar, 2026 Yong Yu Common Stock D 906 $2.42 144,938 D S
24 Mar, 2026 Thomas Zindrick Common Stock D 3,582 $2.42 534,849 D S
24 Mar, 2026 Ralph Smalling Common Stock D 345 $2.42 68,313 D S
24 Mar, 2026 Joseph Cappello Common Stock D 906 $2.42 155,154 D S
25 Mar, 2026 Ralph Smalling Common Stock D 240 $2.51 68,073 D S
02 Mar, 2026 John Thomas Common Stock D 10,000 $2.90 482,784 D S
02 Jan, 2026 Jason Litten Stock Option (Right to Buy) A 275,000 $0.00 275,000 D A
01 Dec, 2025 John Thomas Common Stock D 10,000 $5.00 492,784 D S
01 Sep, 2025 Ralph Smalling Common Stock A 10,000 $0.00 70,990 D A
01 Sep, 2025 Joseph Cappello Stock Option (Right to Buy) D 16,666 - 0 D D
01 Sep, 2025 Thomas Zindrick Stock Option (Right to Buy) D 925,000 - 0 D D
01 Sep, 2025 Yong Yu Stock Option (Right to Buy) D 207,652 - 0 D D
01 Sep, 2025 Ralph Smalling Stock Option (Right to Buy) D 8,333 - 0 D D
01 Sep, 2025 Thomas Zindrick Stock Option (Right to Buy) A 925,000 - 925,000 D A
01 Sep, 2025 Joseph Cappello Stock Option (Right to Buy) A 16,666 - 16,666 D A
01 Sep, 2025 Yong Yu Stock Option (Right to Buy) A 207,652 - 207,652 D A
01 Sep, 2025 Thomas Zindrick Stock Option (Right to Buy) D 157,372 - 0 D D
01 Sep, 2025 Joseph Cappello Stock Option (Right to Buy) D 80,000 - 0 D D
01 Sep, 2025 Ralph Smalling Stock Option (Right to Buy) A 8,333 - 8,333 D A
01 Sep, 2025 Yong Yu Stock Option (Right to Buy) D 65,000 - 0 D D